FR58000E - Photographic lens shutter - Google Patents

Photographic lens shutter

Info

Publication number: FR58000E
Authority: FR; France
Prior art keywords: photographic lens; lens shutter; shutter; photographic; lens
Prior art date: 1948-02-09
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

Other languages

Inventor

Paul-Ferdinand Royet

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1948-02-09

Filing date

1948-02-09

Publication date

1953-09-18

1948-02-09 Application filed filed Critical

1953-09-18 Application granted granted Critical

1953-09-18 Publication of FR58000E publication Critical patent/FR58000E/en

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/08—Shutters
- G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane
- G03B9/18—More than two members
- G03B9/22—More than two members each moving in one direction to open and then in opposite direction to close, e.g. iris type

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)

FR58000D 1948-02-09 1948-02-09 Photographic lens shutter Expired FR58000E (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR58000T		1948-02-09

Publications (1)

Publication Number	Publication Date
FR58000E true FR58000E (en)	1953-09-18

Family

ID=8691969

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR58000D Expired FR58000E (en)	1948-02-09	1948-02-09	Photographic lens shutter

Country Status (1)

Country	Link
FR (1)	FR58000E (en)

1948
- 1948-02-09 FR FR58000D patent/FR58000E/en not_active Expired

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